1376020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 2921184

約数和(自身を除く): 1545164

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 643, 1070, 1286, 2140, 2572, 3215, 6430, 12860, 68801, 137602, 275204, 344005, 688010, 1376020]

約数ペア:

[(1, 1376020), (2, 688010), (4, 344005), (5, 275204), (10, 137602), (20, 68801), (107, 12860), (214, 6430), (428, 3215), (535, 2572), (643, 2140), (1070, 1286)]